docs: def attach(cls, name, vhost, remote_name):
          """Attach an instance's vhost to a remote from the local repository."""
          paas_access = cls.get('paas_access')
  
          if not paas_access:
              paas_info = cls.info(name)
              paas_access = '%s@%s' \
                            % (paas_info['user'], paas_info['git_server'])
  
          remote_url = 'ssh+git://%s/%s.git' % (paas_access, vhost)
  
          ret = cls.execute('git remote add %s %s' % (remote_name, remote_url,))
  
          if ret:
              cls.echo('Added remote `%s` to your local git repository.'
                       % (remote_name))
              cls.echo('Use `git push %s master` to push your code to the '
                       'instance.' % (remote_name))
              cls.echo('Then `$ gandi deploy` to build and deploy your '
                       'application.')